Explanation:
It correctly reads;
A group of students use a device to study the energy transfer during the chemical reaction between pieces of eggshell (calcium carbon) and vinegar (acetic acid). During the experiment they use the same mass of eggshell but the concentration of the vinegar varies, (1%, 3% and 5%). Answer:
1. Explain why the energy transfer is not the same between the three tests of the experiment.
2. Describe how the device could be modified so that it can MORE ACCURATELY measure the energy transfer in each reaction.
Spiders have malpighian tubules<span> to absorb salts and wastes while humans have microscopic subunits in the kidneys called </span>nephrons to filter blood. Malpighian tubules<span> remove wastes from insects by producing urine and solid nitrogenous waste, which are then excreted from the body.</span>
Answer:
Explanation:Can I get access to IXL for my child during school closures? What resources do you offer to help me support my child at home? My child has IXL through school; ...
All organisms are composed of one or more cells
Cells are the basic unit of structure and function in a living organism
Cells come only from the reproduction of existing cells
D. a grasshopper lays hundreds of eggs.
